docs: def long_description(*paths):
      '''Returns a RST formated string.
      '''
      result = ''
  
      # attempt to import pandoc
      try:
          import pypandoc
      except (ImportError, OSError) as e:
          print("Unable to import pypandoc - %s" % e)
          return result
  
      # attempt md -> rst conversion
      try:
          for path in paths:
              result += '\n' + pypandoc.convert(
                  path, 'rst', format='markdown'
              )
      except (OSError, IOError) as e:
          print("Failed to convert with pypandoc - %s" % e)
          return result
  
      return result